Articles: anesthetics.
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A 65-year-old woman with height of 156 cm and weight of 54 kg, who had previously been healthy, was scheduled for resection of axillary abscess. She was not premedicated. After local infiltration of 1%-lidocaine 25 ml, operation was started under electrocardiographic monitoring. ⋯ After the recovery of heart beat, the patient became responsive, alert, and oriented, and neither arrhythmia nor ST-T change was observed. Laboratory data showed no abnormality which might have predisposed her to the development of cardiac arrest. Because the cardiac arrest occurred soon after lidocaine injection and no drug other than lidocaine had been used, lidocaine was thought to be the cause of the cardiac arrest.
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A method for preparing standard gas mixtures of the volatile anaesthetics halothane, enflurane and isoflurane is described. Static mixtures of gases of known concentration can be prepared manometrically by measuring the required pressure of anaesthetic gas into a bulb and diluting to atmospheric pressure with air. ⋯ These losses were not detected for measurements of standards made up to atmospheric pressure in air. A comparison with calibration procedures currently in practice is presented.
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Rev Esp Anestesiol Reanim · Sep 1989
Review[Occupational exposure of the anesthesiologist to nitrous oxide and halothane. Control measures].
Anesthetic gas spillage does occur in the operating room. Anesthesiologists and other operating room personnel are likely exposed to health hazards caused by chronic exposure to anesthetic gases and vapours. ⋯ Present data, while controversial, do not establish a cause-effect relationship. Nevertheless, until solid data refutes the existence of a health hazard for operating room personnel, the anesthesiologist must try to reduce the anesthetic contamination level, with preventive and technical measures.